Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Load releasing means
Patent
1980-06-23
1985-08-20
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Load releasing means
B64D 104
Patent
active
045360243
ABSTRACT:
A detachment and coupling device comprising an upper scissor-like part and a lower doughnut-shaped ring part, in which blades of the scissor-like part extend through the ring part and are locked in place. The locking mechanism is either of the magnetic type or of the solenoid type.
REFERENCES:
patent: 1900194 (1933-03-01), Niemi
patent: 3304111 (1969-02-01), Kauh et al.
patent: 3416832 (1968-12-01), Rice
patent: 3945295 (1976-03-01), Robison
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